D3Z7V5BF-7

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D3Z7V5BF-7 belongs to the family of single Zener diodes.

It is an ideal choice for a wide range of applications, including voltage regulation, to protect against switched or potted overvoltage, noise filtering, and to act as a reference voltage source. The device is packaged in a small SOD-123 package.

D3Z7V5BF-7 is a silicon diode, which has a very well defined breakdown voltage. It is composed of two regions – an N-Type layer and a P-Type layer, separated by a PN junction. This PN junction is responsible for its breakdown voltage property, as well as its current flow and voltage drop as it moves into the breakdown region.

When subjected to a reverse current, the PN junction will start to exhibit a steep breakdown voltage characteristic. It means that when the PN junction is forced to conduct current, the voltage will suddenly drop from the normal operating region to the breakdown region. This turning of the voltage from the normal operating value to the breakdown voltage value is the Action Voltage Region (AVR). It is the most important parameter in selecting the diode.

The breakdown voltage of the device can range from 7.0 volts up to 7.5 volts, allowing flexibility when setting the circuit\'s operating voltage. As the applied voltage exceeds the breakdown voltage, the Zener diode will start to conduct current. This is known as the Zener Breakdown region of operation. Beyond this region, the voltage will remain constant despite the continued increase of current through the diode. It is this characteristic that makes the Zener diode suitable for voltage regulation.

The D3Z7V5BF-7 also has a very low reverse-leakage current, usually in the range of 2.5 µA. This is important for the minimizing power dissipation and for providing an accurate reference voltage source. As a result, the device is often used in precision circuits requiring an accurate voltage reference.

The device can also be used in overvoltage protection circuits. Its lower breakdown voltage makes it suitable for use in situations where high-energy transients are expected. The device will clamp the voltage to the breakdown voltage and act as a short circuit, protecting the rest of the circuit from any potential damage.

The device is also useful in noise filtration. Its Zener voltage provides an optimal frequency response when used with inductive and capacitive filters, helping to reduce high frequency noise and reaching required signal-to-noise ratios. The device is also capable of dissipating high energy spikes, and is reliable and cost-effective.

Due to its small dimensions and low power dissipation, the D3Z7V5BF-7 Zener diode is an ideal choice for applications requiring a high degree of performance in a small, low-power package. Its wide range of applications makes it a versatile and reliable choice for electronic design engineers.

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